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and the KNLN ceramics sintered at 1 060 ℃ for 2 h. It can be seen that the phase structure in all samples is pure perovskite phase. Since LiNbO3 has an illumenties crystal structure, however NaNbO3 and KNbO3 have a perovskite crystal structure[15], the effects of doping Li+ on the structure of KNLN can be detected in this figure, which also indicates a morphotropic phase boundary (MPB......
conditions. The phase structure of KNN ceramics was analyzed. The results show that the pure perovskite phase with orthorhombic symmetry is in all ceramics specimens. The effect of poling conditions... 120 ℃. The phase structure in all samples is pure perovskite phase with typical orthorhombic symmetry and no any secondary impurity can be certified. Fig.2 shows the SEM micrograph of fracture surface......
Nature of magnetic and electronic structure of double perovskite A2FeMoO6 LIANG Pei(梁培), JIANG Jian-jun(江建军), MA Xin-guo(马新国), TIAN Bin(田斌) Department of Electronic Science and Technology...> Abstract: The nature of magnetic and electronic structure in double perovskite structure A2FeMoO6 (A = Sr, a, Ca) was calculated using the local spin density approximation (LSDA) and the LSDA+U......
Phase diagram of binary system C12Zn-C18ZnKezhong Wu, Xindong Wang, and Xiaodi LiuMetallurgy School, University of Science and Technology Beijing, Beijing 100083, ChinaDepartment of Chemistry, Hebei Normal University, Shijiazhuang 050016, China摘 要:<正> The solid-solid phase transitions in the perovskite type layer materials (n-C12H25NH3)2ZnCl4......
)Sr0.33MnO3 perovskite oxides were prepared at relatively low calcinating temperature of 600℃ and 800℃ for 10h using amorphous complex precursor. Curie temperature(Tc) and magnetocaloric effects(MCE) were investigated. X-ray diffraction(XRD) and electron diffraction(ED) reveal that the resulting products are of pure single-phase rhombohedral perovskite structure. Transmission electron microscopy(TEM......
) perovskite membrane was successfully synthesized by liquid citrate method. The phase structure of the powder was characterized by X-ray diffraction (XRD). Scanning electron microscopy (SEM) was used...Effect of Sintering Temperature on Microstructure and Hydrogen Permeation Properties of Perovskite MembraneMarzieh Heidari1,Akbar Zamaniyan2,Aliakbar SafeKordi1,Ensieh Ganji Babakhani2,Mahdi......
thin films show typical XRD patterns of the Bi-layered perovskite polycrystalline structure. No pyrochlore phase (cubic Bi2O3) and no preferred orientation are found. The possible reason is that the Eu3... technique under a moderate temperature annealing in an oxygen atmosphere. BET thin films show the Bi-layered perovskite polycrystalline structure without secondary phase and preferred orientation. Raman......
Structural and electrical transport properties of a rare earth double perovskite oxide:Ba2ErNbO6Chandrahas Bharti33. Sensor and Actuator Division,CSIR-Central Glass and Ceramic Research Institute摘 要:The double perovskite oxide barium erbium niobate,Ba2ErNbO6(BEN) was synthesized by solid state reaction technique.Rietveld refinement of the X-ray......
Structural and electrical transport properties of a rare earth double perovskite oxide:Ba2ErNbO6Chandrahas Bharti33. Sensor and Actuator Division,CSIR-Central Glass and Ceramic Research Institute摘 要:The double perovskite oxide barium erbium niobate,Ba2ErNbO6(BEN) was synthesized by solid state reaction technique.Rietveld refinement of the X-ray......
pure perovskite structure solutions. The crystal structure of the ceramics varies from co-existence of rhombohedral-tetragonal phases to pseudocubic phase with increasing the BiCoO3 content. The grain..., Central South University, Changsha 410083, China) Abstract: A Bi-based perovskite-type lead-free piezoelectric ceramic, (1-x)Bi0.5(Na0.82K0.18)0.5TiO3-xBiCoO3, was prepared by a conventional ceramic......
